After-Hours Buzz: Apollo Group, Google, Smith & Wesson & More

Check out which companies are making headlines after the bell Tuesday:

Apollo Group - The for-profit education company posted earnings of $1.05 a share, excluding one-time items, on sales of $947 million, against expectations for 85 cents a share on revenue of $965 million. In addition, the company handed in full-year revenue guidance that fell in the lower-end of the expected range. Shares slipped in extended-hours trading.

SandRidge Energy - The oil and natural gas exploration company named Eddie LeBlanc as its CFO, succeeding James Bennett, who was recently named CEO and president of the company. Shares were largely unchanged in extended-hours trading.

Synaptics - The electronics hardware company said it expects fourth-quarter revenue guidance of between $227 million and $230 million, topping a prior range of between $190 to $205 million and above current expectations of $198 million. The company is slated to post earnings on August 1. Shares soared in extended-hours trading.

First Cash - The pawn store operator provided second-quarter guidance of between 56 cents a share and 59 cents a share, excluding one-time items, below current expectations for 60 cent a share. In addition, the company cut its full-year revenue guidance to between $275 million and $290 million, below previous range of between $310 million and $324 million and missing forecasts for $310 million. Shares tumbled after being temporarily halted in extended-hours trading.